Method of manufacturing relatively noninflammable cleaning fluids



Patented Feb. 9 1932 UNE'fiEEEB-STATES harass oarase 7 Bonnier nuuas'rnaaor s-r. roursomssouar tumor or mmrac'rume am'rrvrmx mmnmwm cnnamariuins may be treated so as to producea dry clean-Q ing liquid, which is relatively1 non-inflam-- m mable. In other words my m t od, when applied to gasoline, raises the flash point to such an extent that-as a practical matter the gasoa 7 A method of treating gasoline, which line becomes non-inflammable. r

v With these and other objects in view my inventionhas' relation to certain methods and steps in-the operations, as be hereinafter more fully described and pointed out inthe claims. The preferred material to be treated gasoline. This is placed in a container and go to it is added nitrogen in liquid form. The V preferable proportion is five parts by volume V of gasoline and onepart by volume lltglid nitrogen.-- A suflicient quantity is place in the container to half fill it;v The container. is zs then closed and heated to a temperature of 2500 degrees Fahrenheit, at which tempera ture it ismaintained for a period of a'pproxiq I .gen by volume in a vessel twice aslar e as the.

, 'mately one half-hour. The container 1s cooled v to atmospheric temperature, opened, and the finished product, which is a liquid, remains, T By the te'rmfgasoline, applicant means all of its grades, as well as naphtha "What I claim d mean to secure by Letters Patentis:

.1. A methodof-reducing ity' of solvent, which consists inimpregnatingthe ga'soline with nitrogen, at a tempera-- ture of approximately .2500 degrees; Fahren-- heit.

e0 2'. A method of reducing the. inflammabil- 1 'ity of gasoline, which consists in mixing the solvent with'liquid nitrogen,a't atemperature I of approximately 2500 degrees Farenheit; 3.'Ametliod of reducing the inflamm'abilit #5 of gasoline, which consists in the so Q went with nitrogen under pressure, at-a temerature of approximately 2500 'degrees.

ahrenheit.

4. A method of Application flied June 28,

J the inflammabil manufac um'for w P ascribed w i h.

mac; semi 80., 483,362.

gasoline with liquid nitrogen under pressure,

.. at a temperature of approximatel'y 2500. def

grees Fahrenheit.

5, A method; f treating gasoline by ing it with liquid nitrogen and heating the. 55

2 mlxture, at a teinperature'. of approximately consists in mixing it with mtrogen in aclosed vessel and subjecting the vessel. to heat, at a temperature of approximately 2500 degrees Fahrenheit. 8. A method ofmanufacture for the purposes described, whioh,=consists in mixing fi've 1 parts of gasoline and one'partliquid .nitrogen by volume in a vessel'of a larger volume than that displaced by the liquid,"sealing the vessel and subjecting itto a temperature, of approximately 2500 degrees Fahrenheit. f

9. A. method of manufacture for the pur- I poses described, which consists in mixing five parts of gasoline and one part liquid nitrovolume displaced by the liquids, sea ing the vessel and subjecting it to a temperature of $0 2500 degrees Fahrenheit for one-half hour. 110. A method of manufacture for thepurposes described, which consistsin mixing'five Earts ofgasoline and one part'liquid nitrogen ing the vessel-and subject ng'it to a tempera ture of 2500degrees Fahrenheit for approximately one-halfhour.-

I imony whereof I -afiix m" signature, 9. I

- ROBERTLUN ,ST'BAS' y volumein a vessel havmg a volumeequal $5 to twice that displaced by theliquids, scal 

